521 18th Pl
Mount Vernon, WA 98273
3 bd 3 ba 1,758 sqft Built 1979 Lot 7,405 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2026 | $359,100 | $201,500 | $560,600 | $6,259 |
| 2025 | $359,100 | $201,500 | $560,600 | $6,132 |
| 2024 | $362,600 | $162,200 | $524,800 | $5,366 |
| 2023 | $347,000 | $161,200 | $508,200 | $5,264 |
| 2022 | $314,000 | $111,900 | $425,900 | $4,996 |
| 2021 | $252,300 | $100,200 | $352,500 | $4,445 |
| 2020 | $241,700 | $89,600 | $331,300 | $4,297 |
| 2019 | $225,000 | $78,400 | $303,400 | $3,473 |
| 2018 | $197,600 | $68,900 | $266,500 | $3,964 |
| 2017 | $173,300 | $60,400 | $233,700 | $3,446 |
| 2016 | $159,600 | $55,700 | $215,300 | $3,206 |
| 2015 | $105,100 | $63,900 | $169,000 | $2,611 |
| 2014 | $105,100 | $63,900 | $169,000 | $2,561 |
| 2013 | $105,100 | $63,900 | $169,000 | $2,598 |
| 2012 | $110,900 | $67,400 | $178,300 | $2,519 |
| 2011 | $125,300 | $76,100 | $201,400 | $2,607 |
| 2010 | $131,000 | $79,600 | $210,600 | $2,571 |
| 2009 | $138,500 | $93,600 | $232,100 | $2,629 |
| 2008 | $138,500 | $93,600 | $232,100 | $2,505 |
Property facts
Year built
1979
Property type
single_family
Stories
—
Beds
3
Baths
3
Living area
1,758 sqft
Lot size
7,405 sqft
ZIP code
98273
City
Mount Vernon
Street
18th Pl
Coordinates
48.42601, -122.31851
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 521 18th Pl last sell?
No public-record sale is on file for 521 18th Pl.
What is the current tax assessment for 521 18th Pl?
The most recent total assessment for 521 18th Pl (year 2026) is $560,600 with $6,259 in property tax.
When was 521 18th Pl built?
521 18th Pl was built in 1979.
How does 521 18th Pl compare to others on 18th Pl?
We track 8 other properties on 18th Pl. Browse the list under "Other properties on 18th Pl" to compare beds, baths, and sale history.
What are the property facts for 521 18th Pl?
521 18th Pl is a 3 bed, 3 bath, 1,758 sqft, 7,405 sqft lot single_family.
Is 521 18th Pl a flip candidate?
No — 521 18th Pl does not appear in our flips dataset.
Is 521 18th Pl a tax-appeal candidate?
No — 521 18th Pl is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-0.5%
Implied 1-yr
-2.0%
2026 Q3
$540.1K
2026 Q4
$537.3K
ZIP 98273 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 18th Pl